High Seas Sail Makers Manufactures Sails for Sailboats If a Special Pricing Order Is Accepted for 5,600 Sails

High Seas Sail Makers manufactures sails for sailboats.The company has the capacity to produce 37,000 sails per year and is currently producing and selling 25,000 sails per year.The following information relates to current production: $$\begin{array} { | l | r | } \hline \text { Sales price per unit } & \$ 185 \\\hline \text { Variable costs per unit: } & \\\hline \text { Manufacturing } & \$ 60 \\\hline \text { Selling and administrative } & \$ 20 \\\hline \text { Total fixed costs: } & \\\hline \text { Manufacturing } & \$ 700,000 \\\hline \text { Selling and administrative } & \$ 300,000 \\\hline\end{array}$$ If a special pricing order is accepted for 5,600 sails at a sales price of $160 per unit,fixed costs remain unchanged,and there are no variable selling and administrative costs for this order,what is the change in operating income?

A) Operating income decreases by $448,000.
B) Operating income decreases by $560,000.
C) Operating income increases by $448,000.
D) Operating income increases by $560,000.